| Gretna to Senftenberg | 5,180.38 mi (8,337.01 km) |
| Gretna to Siegburg | 4,940.46 mi (7,950.91 km) |
| Gretna to Siegen | 4,970.12 mi (7,998.63 km) |
| Gretna to Sigmaringen | 5,103.94 mi (8,214.00 km) |
| Gretna to Simbach am Inn | 5,252.22 mi (8,452.64 km) |
| Gretna to Simmerath | 4,910.29 mi (7,902.35 km) |
| Gretna to Sindelfingen | 5,075.61 mi (8,168.41 km) |
| Gretna to Sinsheim | 5,054.14 mi (8,133.86 km) |
| Gretna to Sinzheim | 5,040.02 mi (8,111.13 km) |
| Gretna to Sinzig | 4,949.83 mi (7,965.98 km) |
| Gretna to Soest | 4,953.34 mi (7,971.63 km) |
| Gretna to Solingen | 4,925.08 mi (7,926.15 km) |
| Gretna to Soltau | 4,976.63 mi (8,009.11 km) |
| Gretna to Sommerda | 5,082.10 mi (8,178.85 km) |
| Gretna to Sondershausen | 5,065.97 mi (8,152.89 km) |
